0216224260
if there are two throttled wait, when iob_free occurs, one of wait will be awakened to execute iob_alloc_committed, but it will fail to execute, sem will be posted at this time, then another wait will be awakened. after the other wait thread is awakened, This step is repeated. the two threads are in the critical_section state and cannot be switched to other threads. then cpu will busy util timeout. Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com> |
||
---|---|---|
.. | ||
CMakeLists.txt | ||
iob_add_queue.c | ||
iob_alloc_qentry.c | ||
iob_alloc.c | ||
iob_clone.c | ||
iob_concat.c | ||
iob_contig.c | ||
iob_copyin.c | ||
iob_copyout.c | ||
iob_count.c | ||
iob_dump.c | ||
iob_free_chain.c | ||
iob_free_qentry.c | ||
iob_free_queue_qentry.c | ||
iob_free_queue.c | ||
iob_free.c | ||
iob_get_queue_size.c | ||
iob_initialize.c | ||
iob_navail.c | ||
iob_notifier.c | ||
iob_pack.c | ||
iob_peek_queue.c | ||
iob_remove_queue.c | ||
iob_reserve.c | ||
iob_statistics.c | ||
iob_tailroom.c | ||
iob_test.c | ||
iob_trimhead_queue.c | ||
iob_trimhead.c | ||
iob_trimtail.c | ||
iob_update_pktlen.c | ||
iob.h | ||
Kconfig | ||
Make.defs |